Tankless Water Heater Service & Repair in Burnaby

Our Tankless Water Heater Services for Burnaby Homes

Annual Descaling & Flushing

Mineral deposits gradually accumulate inside your tankless unit over time, coating the heat exchanger and reducing its ability to transfer heat efficiently. Left unchecked, this buildup forces your system to work harder, drives up energy consumption, and can eventually cause component failure or warranty-voiding damage. Our technicians perform thorough descaling and flushing to clear mineral buildup and restore full heating performance.

This service is especially important for Burnaby households with high hot water demand. Larger family homes in Deer Lake, Buckingham Heights, and Capitol Hill with multiple bathrooms, and multi-generational households across Edmonds, Cariboo, and Forest Hills where the tankless unit runs frequently throughout the day, will see scale accumulate faster than a single-occupant condo in Brentwood or Metrotown. Burnaby's municipal water supply contains enough mineral content to affect tankless performance over time regardless of usage volume, so we recommend annual descaling at minimum to keep your unit running efficiently, protect your manufacturer warranty, and avoid premature breakdowns that can cost thousands to repair or replace.

Diagnostics & Repair

From error codes and ignition failures to inconsistent water temperature, reduced flow output, cold water sandwiches between uses, and unusual noises, our team has the hands-on experience to troubleshoot and repair a wide range of tankless water heater problems. We work on all major brands found across Burnaby homes including Navien, Rinnai, Bosch, Noritz, and Rheem, and carry commonly needed replacement parts so most repairs can be completed in a single visit.

Whether your unit is struggling to keep up with demand in a busy Capitol Hill family home, throwing fault codes in your Brentwood condo, cycling on and off unpredictably in your Edmonds townhome, or failing to ignite reliably in your Willingdon Heights bungalow, we find the root cause and fix it properly. We do not simply reset the system and hope the problem goes away. For Burnaby strata properties where tankless units are often installed in compact utility closets or shared mechanical rooms, we understand the access constraints and building-specific requirements that come with working in multi-unit environments. If a repair is not cost effective or your unit is approaching the end of its expected lifespan, we provide a straightforward assessment and walk you through replacement options with no pressure.

Performance Tune-Ups & Safety Checks

A proper tankless tune-up goes well beyond a basic flush. Our technicians inspect venting and exhaust connections, test gas pressure and combustion levels, clean inlet water filters, check the unit's error history stored in its diagnostic memory, and verify that all safety controls are operating within manufacturer specifications.

Venting is a particular focus for Burnaby tankless installations. Many homes across the Heights, Parkcrest, Capitol Hill, and Burnaby's hillside neighbourhoods have longer or more complex venting runs due to multi-level layouts, and improper or deteriorating vent connections can affect both performance and safety. In newer Brentwood, Metrotown, and Lougheed condos and townhomes where tankless units are often installed in tight interior spaces, proper venting and combustion air supply are critical to safe operation, and we verify both during every tune-up. For Burnaby homeowners with outdoor-mounted tankless units, we check for weather-related wear, debris accumulation around the unit, and ensure freeze protection systems are functioning properly ahead of the colder months. Burnaby's wet climate and proximity to the coast mean that external connections and venting components are exposed to higher humidity levels year round, which can accelerate corrosion if not monitored regularly. Routine tune-ups keep your unit running safely and efficiently, protect your manufacturer warranty, and help you avoid the cost and inconvenience of losing hot water when you need it most.

Need tankless water heater service in Burnaby? Contact Ark Plumbing & Heating for a free quote or call us at 604-441-3411.